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NL PETERS, PHOTUUTHOGMPHER, WASHINGTON. D C.

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L. oyoAT'TELLQor CLEVELAND, cino.

i r Lette/rs Patent N o. 97,879, dated December 14, 1869.

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The Schednle referred to in these Letters Patent and'makihg part of the same.

`To all lwhom 'it 'may concern.- l

L Be it known that LfL. CfCA'rTELL, ofCleveland, inv the county of Cuyahoga., and State of Ohio,'ha.ve invented certain new and useful Improvements in a Oar-Tank Man-Hole and Cover; andv I dohereby declare that the following` isa full and complete description of the same, reference being had to the-accompanying drawings, making a part of this specification, in' Whichl 1 Figure 1V is a plan View. Figure 2 is a vertical section. Likeletters referto like parts. i r The nature of thisfinvention relates to a car-tank ,v man-hole and cover, constructed and arranged as hereinafter described. C In the drawingsy A i Arepresents the top of a tank,A to which is secured the collar Iand rim B. This collar isformed as shownl in fig. 2,` being previded with the lim that ts into the man-hole in the top ofthe tank A, and has a` groove, a, inlthe lower part of which groove is' arstrip of' leather packing, o,

iig. 2, that `extends round the entire length in the groove.

G is the cover, the under side of which is providedV with a. head, b, that corresponds with and fits into the groove resting on the packing c;

vThis cover is also provided with lugs or projections c' at each Side, which rest on the collar B. Through these lugs pass the screws D D, thatse- .cure the cover in place, the screws being provided with double heads, shown `in lig. 2to which are attachedchains E, the opposite end ofthe chain being secured .to the top of the tank, the object of which is to prevent the screws from being lost. f

The handle of the cover is also provided with a chain, I, secured to the tank, to 'prevent the cover` being misplaced. l

Under the edge of the collar, between that and they tank, is a small packing-cord, d, which is to prevent anyescape of oil ont past the rim, and between the collar and tank, the packing c, above referred to, mak-- stmctedand arranged to operate as and for the 'purpose set forth.

Witnesses:

GEO. W. TIBBITTS,

L. o. CATTELL.

OHAs. M. VoRcE. J l 

